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MCP live MCP 2025-11-25 http

Groundcheck

x402/groundcheck

x402 service listed on awesome-x402: Groundcheck [x402: $0.001/call on eip155:8453, category=data]

Watch this dependency

Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

Inspect evidence and set up a watch Share public evidence report
Uptime
100.0%
5 direct probes · 30d
Response
134ms
last probe
Tools
5
callable
Resources
0
readable
Prompts
2
available
Primary URL
https://groundcheck.seiche.info/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
5 tools, 0 resources, 2 prompts returned.
pass 3 or more catalogue items 10/10
7 items in total; 3 or more earns these points.
pass Describes itself 10/10
98 characters; more than 30 earns these points.

Tools · 5

verify_claim

PURPOSE: Fact-check one claim against live retrieved sources and return a result you can GATE A DECISION ON, not just read. Returns verdict (supported | refuted | unverified), sufficiency, a conformal…

check_citations

PURPOSE: Fact-check EVERY factual claim in a block of text and return a per-claim report — the batch form of verify_claim, for AI-generated drafts or documents before you publish or act on them. GUIDE…

resolve_instrument

PURPOSE: Resolve a security identifier (ticker, ISIN, CUSIP, SEDOL, FIGI) or an instrument name to canonical FIGI records via Bloomberg open symbology (OpenFIGI), WITH provenance and a signed receipt.…

extract_claims

PURPOSE: Split text into independently checkable ATOMIC factual claims — the cheap first step of a verification loop (extract -> ground -> attest). Returns {claims: [...], count, input_sha256} plus a …

attest_delivery

PURPOSE: Neutral delivery verification for agentic commerce. You (or your principal) paid some OTHER service over x402 and got a response; this tool verifies what was delivered and returns a SIGNED, o…

Prompts · 2

ground_before_answering

Verify a factual claim with the free tool and branch on the machine-readable fields instead of vibes.

pre_publish_gate

Run every factual claim in a draft through verification and get a per-claim fix list with a signed receipt bound to the text.

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "groundcheck": {
      "url": "https://groundcheck.seiche.info/mcp",
      "transport": "http"
    }
  }
}